First published Oct 19, 2026, 9:27:15 PM UTC · Last updated Oct 19, 2026, 9:27:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Kalimantan Utara

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast from 03:09 to 06:00 WITA on 20 October 2026 in named areas of Kalimantan Utara. The source warns of possible reduced visibility, strong winds, and localized flooding.

At a glance

Affected location: Kalimantan Utara

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Why it matters

The advisory urges people in the affected areas to stay vigilant, limit outdoor activities, and take precautions.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 8/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

Indonesia BMKG Weather Alerts Thunderstorm Tonight in Kalimantan UtaraBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Thunderstorm This Evening in Kalimantan UtaraOct 19, 2026, 7:40 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm Tonight in Kalimantan UtaraOct 18, 2026, 6:30 PM UTC
Thunderstorms and heavy rainfall are forecast in parts of Kalimantan Utara, especially Lumbis Ogong and Tulin Onsoi, from 02:42 WITA on 19 October 2026. The source warns of reduced visibility, strong winds and localized flooding, and advises vigilance and precautions.
Nearby · within 200 km
Thunderstorm This Afternoon in Kalimantan UtaraOct 18, 2026, 4:12 AM UTC
Thunderstorms and heavy rain were forecast to begin at 12:24 WITA on 18 October 2026 in parts of Kalimantan Utara, especially Tarakan Barat, Tarakan Tengah and Tarakan Utara. The forecast noted possible reduced visibility, strong winds and localized flooding, with conditions expected to improve by 13:00 WITA.
Nearby · within 200 km
Thunderstorm This Morning in Kalimantan UtaraOct 17, 2026, 9:25 PM UTC
Thunderstorms and heavy rain are forecast in parts of Kalimantan Utara, especially Sesayap Hilir, from 05:30 to 08:30 WITA on 18 October 2026. The forecast warns of reduced visibility, strong winds, and localized flooding.
Nearby · within 200 km
Thunderstorm Tonight in Kalimantan UtaraOct 17, 2026, 4:55 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm This Evening in Kalimantan UtaraOct 17, 2026, 9:02 AM UTC
Thunderstorms and heavy rainfall are forecast for parts of Kalimantan Utara, especially Kayan Hilir and Peso, from 17:05 to 19:30 WITA on 17 October 2026. The forecast warns of reduced visibility, strong winds, and localized flooding.

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